If it is via the form code, then I'll post a code example for sending regular emails. All you would need to do is change the address to email@removed or whatever the actual sms address is (depends on carrier).

If you want to use form code, I have used the following (vb.Net):
(FYI, you need to have the ability to send emails directly from your computer. That was an issue in my environment, which necessitated a network change to static IPs and exceptions to allow those IPs to relay email, for users that would send email.)